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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2020-11-18 14:20 |
Online | Online | A Study on Noise Power Estimation based on Goodness of Fit Statistics Hiroki Iwata, Kenta Umebayashi (TUAT)  SR2020-28 |
This paper focuses on spectrum sensing and spectrum measurement exploiting an energy detector. In this case, an noise po... [more] | SR2020-28 pp.37-43 |
| OFT | 2020-10-08 09:10 |
Online | Online | [Poster Presentation]
Fabrication and elastic strain characteristics of cascaded long period fiber gratings Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-11 |
We have proposed temperature and strain sensors based on cascaded chirped long period fiber gratings (C-CLPGs), which ar... [more] | OFT2020-11 pp.8-12 |
| LOIS, IPSJ-SPT, IPSJ-CN | 2020-05-14 16:00 |
Online | Online | An accessibility evaluation of a wheelchair with the sensing acceleration data Kazuyuki Kaneda, Masaharu Kamohara, Osamu Shiku (NIT, Sasebo College), Toru Kobayashi (Nagasaki Univ.) LOIS2020-2 |
We analyze the frequency component of acceleration data for a vibration sensor in a wheelchair, and create the spectrogr... [more] | LOIS2020-2 pp.7-11 |
| RCS, SR, SRW (Joint) |
2020-03-04 11:15 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
Joint Wideband Angular-Frequency Sparse Spectrum Sensing utilizing Compressive Sensing Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT) SR2019-116 |
The fifth generation (5G) mobile communications system is expected to provide wireless communications services for a wid... [more] | SR2019-116 pp.17-24 |
| RCS, SR, SRW (Joint) |
2020-03-05 09:50 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
Reinforcement learning based channel selection scheme for WiFi-LTE coexistence in unlicensed spectrum Yuki Kishimoto, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2019-124 |
In recent years, with the rapid increase in mobile traffic, there is an increasing demand of wider bandwidth for mobile ... [more] | SR2019-124 pp.65-70 |
| OFT | 2020-01-17 09:00 |
Aichi | NINS Okazaki Conference Center | Denoising of Brillouin gain spectrum via dictionary learning considering strain variation Shogo Shimizu, Shota Kitamura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.) OFT2019-52 |
In the optical fiber strain measurement using the Brillouin scattering phenomenon, the strain is obtained through the an... [more] | OFT2019-52 pp.29-34 |
| SR | 2019-12-06 10:50 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | A Study on Setting of an Energy Detection Threshold with SNR Estimation Hiroki Iwata, Kenta Umebayashi (TUAT) SR2019-102 |
Energy detection (ED) is a popular signal detection method for spectrum sensing and spectrum usage measurement in dynam... [more] |
SR2019-102 pp.75-82 |
| SR | 2019-12-06 11:15 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Energy Detection for M-QAM Signal Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) SR2019-103 |
In this paper, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal. Typically, statisti... [more] |
SR2019-103 pp.83-86 |
| RISING (2nd) |
2019-11-26 10:30 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo | [Poster Presentation]
Energy detection for M-QAM signal Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) |
In this presentation, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal. Typically, sta... [more] | |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Performance of Signal Level Estimation in Spectrum Sensing Wataru Kuwabara, Shigenobu Sasaki (Niigata Univ.) |
In this report, performance of signal level estimation method is discussed in spectrum sensing for cognitive radio. Use ... [more] | |
| AP (2nd) |
Overseas | Hotel Istana, Kuala Lumpur | Energy Efficiency of Cooperative Jammer in a Spectrum Sharing Network Yee-Loo Foo (MMU, Malaysia) |
Underutilizing spectrum results in wastage. Eavesdropping compromises the secrecy of data. How to overcome the two probl... [more] | ||
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 09:10 |
Osaka | I-Site Nanba（Osaka） | Reputation-Based Spectrum Sensing Strategy in Cognitive Radio Sensor Networks Ying Gao, Takeo Fujii (UEC), Ming Diao (HEU) SR2019-28 |
Collaborative Spectrum Sensing (CSS) is considered as a powerful way to improve the utilization of the spectrum resource... [more] | SR2019-28 pp.51-57 |
| OFT | 2019-05-16 14:00 |
Osaka | Ｉ-site NANBA | [Poster Presentation]
Expansion of circumferential strain measurement of ring structures by Brillouin gain spectrum model fitting into general ring-shaped structures Shota Kitamura, Shusuke Narieda, Hiroshi Naruse (Mie Univ) OFT2019-3 |
A method has been proposed for measuring circumferential strain in ring structures by fitting a model of the Brillouin g... [more] | OFT2019-3 pp.11-16 |
| CAS, CS | 2019-03-09 14:00 |
Kanagawa | Shonan Institute of Technology | A Deep Learning Based Spatial Spectrum Reuse Approach in Multiple Dense WLAN Scenarios Jin Liu, Masahide Hatanaka, Takao Onoye (Osaka Univ.) CAS2018-153 CS2018-121 |
Recently, with the development of wireless local area network (WLAN) applications, a considerable expansion of wireless ... [more] | CAS2018-153 CS2018-121 pp.81-86 |
| RCS, SR, SRW (Joint) |
2019-03-06 15:40 |
Kanagawa | YRP | [Invited Lecture]
Spectrum Sharing based on Radio Environment Map: Theory and Open Issues Koya Sato (Tokyo Univ. of Science) SR2018-127 |
This paper summarizes the radio environment map (REM) for spatial spectrum sharing. REM contains spatial distribution of... [more] | SR2018-127 pp.43-49 |
| RCS, SR, SRW (Joint) |
2019-03-08 10:55 |
Kanagawa | YRP | [Invited Lecture]
Direct RF Undersampling Receiver for Wireless IoT Real-time Spectrum Monitor using High-speed Clock Switching Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-139 |
Recently, with the popularization of wireless IoT (Internet of Things), real time frequency sensing technology for multi... [more] | SR2018-139 pp.103-109 |
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 14:00 |
Fukuoka | Measurement of Ring Circumferential Strain with Actually Observed Brillouin Gain Spectra Kento Nishimura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.) OFT2018-80 OPE2018-209 |
A ring circumferential strain measurement method using a model of Brillouin gain spectrum (BGS) has been proposed. In th... [more] | OFT2018-80 OPE2018-209 pp.53-56(OFT), pp.85-88(OPE) |
|
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 14:25 |
Fukuoka | Maximum and Minimum strain extraction from BGS observations including noise and optical loss using nonnegative matrix factorization Takuya Fujimoto, Hiroshi Naruse (Mie Univ.), Takanori Nishino (Meijo Univ.) OFT2018-81 OPE2018-210 |
We have proposed a method for extracting the maximum and minimum strains produced in a Brillouin gain spectrum (BGS) obs... [more] | OFT2018-81 OPE2018-210 pp.57-62(OFT), pp.89-94(OPE) |
|
| SR | 2019-01-25 15:15 |
Fukushima | Corasse, Fukushima city (Fukushima prefecture) | A Study on Frequency-domain Interpolation of a Radio Environment Map for Bands of Cellular System Keita Onose, Keita Katagiri (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-116 |
A Measurement-based Spectrum Database (MSD) attracts attention as highly accurate radio environment recognition. It is i... [more] | SR2018-116 pp.123-128 |
| SR | 2018-10-30 13:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Direct RF undersampling receiver for wireless IoT real-time spectrum monitor using high-speed clock switching Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-68 |
Recently, with the popularization of wireless IoT (Internet of Things), real-time spectrum monitoring technology for wir... [more] | SR2018-68 pp.21-24 |
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